{"abstract":"We are superseding an existing airworthiness directive (AD) that applies to the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:","action":"Final rule.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"},{"raw_name":"Federal Aviation Administration","name":"Federal Aviation Administration","id":159,"url":"https://www.federalregister.gov/agencies/federal-aviation-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/159","parent_id":492,"slug":"federal-aviation-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2011/02/24/2011-4012.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"76 FR 10216","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This AD becomes effective March 31, 2011.","disposition_notes":null,"docket_ids":["Docket No. FAA-2010-1039","Directorate Identifier 2010-NM-002-AD","Amendment 39-16612","AD 2011-05-03"],"dockets":[],"document_number":"2011-4012","effective_on":"2011-03-31","end_page":10220,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2011/02/24/2011-4012.xml","html_url":"https://www.federalregister.gov/documents/2011/02/24/2011-4012/airworthiness-directives-bombardier-inc-model-cl-600-2b19-regional-jet-series-100-and-440-airplanes","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2011-4012?publication_date=2011-02-24","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2011-02-24/2011-4012/mods.xml","not_received_for_publication":null,"page_length":5,"page_views":{"count":201,"last_updated":"2026-04-05 02:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2011-02-24/pdf/2011-4012.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2011-02-24","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2011/02/24/2011-4012.txt","regulation_id_number_info":{"2120-AA64":{"issue":"202410","html_url":"https://www.federalregister.gov/regulations/2120-AA64/airworthiness-directives","title":"Airworthiness Directives","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=202410&RIN=2120-AA64&operation=OPERATION_EXPORT_XML","priority_category":"Routine and Frequent"}},"regulation_id_numbers":["2120-AA64"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"U.S. DOT/FAA - See Attachment","document_id":"FAA-2010-1039-0009"},{"title":"U.S. DOT/FAA - See Attachments","document_id":"FAA-2010-1039-0008"},{"title":"U.S. DOT/FAA - See Attachment","document_id":"FAA-2010-1039-0007"},{"title":"U.S. DOT/FAA -  See Attachment","document_id":"FAA-2010-1039-0005"},{"title":"U.S. DOT/FAA -  See Attachment","document_id":"FAA-2010-1039-0004"},{"title":"U.S. DOT/FAA -  See Attachment","document_id":"FAA-2010-1039-0003"},{"title":"U.S. DOT/FAA -  See Attachments","document_id":"FAA-2010-1039-0002"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/2120-AA64/airworthiness-directives","title":"Airworthiness Directives"},"comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=FAA-2010-1039","supporting_documents_count":7,"docket_id":"FAA-2010-1039","regulation_id_number":"2120-AA64","title":"2010-NM-002-AD\r\nBombardier, Inc. Model CL‑600‑2B19 (Regional Jet Series 100 & 440) Airplanes\r\n","checked_regulationsdotgov_at":"2011-03-16T08:04:59Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":10216,"subtype":null,"title":"Airworthiness Directives; Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes","toc_doc":"Bombardier, Inc. Model CL6002B19 (Regional Jet Series 100  440) Airplanes","toc_subject":"Airworthiness Directives:","topics":["Air transportation","Aircraft","Aviation safety","Incorporation by reference","Safety"],"type":"Rule","volume":76}